<!-- 用户管理页 -->
<template>
  <div style="height: 6vh;background-color: #fff;padding:10px 20px;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
    <el-button type="primary" style="float: right;margin-top: 10px;"
               @click="beforeAddUser">新建用户</el-button>
  </div>
  <!-- 新建用户弹窗 -->
  <!-- :before-close="handleClose"表示在弹窗关闭前调用自定义的处理弹窗关闭的函数 -->
  <el-dialog
      :title="dialogTitle"
      v-model="dialogVisible"
      style="width: 1000px;padding: 40px;"
      :before-close="handleClose"
  >
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
                      :disabled="saveUserForm.id!=null"/>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号"v-model="saveUserForm.phone"/>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"/>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"/>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
       <el-col :span="6">
         <el-form-item label="职级">
           <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
             <el-option v-for="item in levelOptions"
                        :label="item.label" :value="item.value"></el-option>
<!--             <el-option label="员工" value="10"></el-option>-->
<!--             <el-option label="经理" value="20"></el-option>-->
<!--             <el-option label="总监" value="30"></el-option>-->
<!--             <el-option label="总裁" value="40"></el-option>-->
           </el-select>
         </el-form-item>
       </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
<!--              <el-option label="XX" value="201"></el-option>-->
<!--              <el-option label="YY" value="202"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>

  <!-- 用户搜索卡片 -->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索">
        <el-input placeholder="输入用户名" style="width: 220px"
                  v-model="searchUserForm.username"
                  @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态">
        <el-select placeholder="请选择用户状态" style="width: 220px"
                   v-model="searchUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">搜索</el-button>
      </el-form-item>
    </el-form>
  </el-card>

  <!-- 用户列表表格卡片 -->
  <el-card style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0" v-model="scope.row.status"
                     :disabled="scope.row.level==40"
                     @change="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
                     @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>
<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import qs from "qs";
import {ElMessage} from "element-plus";

//定义变量控制弹窗是否出现
const dialogVisible = ref(false);
//定义变量用来控制弹窗的标题
const dialogTitle = ref("新建用户");

//定义数组用来维护员工职级的选项
const levelOptions = ref([
  {label: "员工", value: '10'},
  {label: "经理", value: '20'},
  {label: "总监", value: '30'},
  {label: "总裁", value: '40'}
]);
//定义数组用来维护直属领导数据
const leaderOptions = ref([
  {username: "XX", id:201},
  {username: "YY", id:202}
]);
//定义方法用来加载直属领导数据
const loadLeader = () => {
  //优化：如果已经勾选了直属领导数据，需要再次重新选择职级的话
  //解决：需要将之前的领导数组与已选择的直属领导数据清空
  leaderOptions.value = [];
  saveUserForm.value.parentId = "";
  //拿到当前用户选择的职级
  let level = parseInt(saveUserForm.value.level)+10;
  //给后端发送请求，获取直属领导数据
  axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
    if (response.data.code==2000){
      leaderOptions.value = response.data.data;
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}

//定义对象用来保存表单中的员工数据
const saveUserForm = ref({
  username:"",
  phone:"",
  email:"",
  age:"",
  level:"",
  parentId:"",
  gender:"",
  status:""
});
/*点击新建用户按钮,出弹窗,修改弹窗标题*/
const beforeAddUser = () => {
  //修改弹窗标题
  dialogTitle.value = "新建用户";
  //显示弹窗
  dialogVisible.value = true;
}
//定义保存用户的方法
const saveUser = () => {
  //console.log(saveUserForm.value);
  //使用qs(Query String)将JS对象转为查询字符串格式，注意：qs需要导入
  //效果:username=2&phone=2&email=2&age=2&level=10&parentId=201&gender=1&status=1
  let data = qs.stringify(saveUserForm.value);
  //console.log(data);
  axios.post(BASE_URL+'/v1/user/save',data)
      .then((response)=>{
        if (response.data.code==2000){
          ElMessage.success('保存成功!');
          //关闭弹窗
          dialogVisible.value = false;
          //并且清空表单数据
          saveUserForm.value = {};
        }else {
          ElMessage.error(response.data.msg);
        }
        //保存成功后要重新加载用户数据,注意:新增与编辑后都需要重新加载!
        loadUser();
      })
}

//定义处理弹窗关闭的方法
const handleClose = () => {
  if(confirm('您确认要关闭弹窗吗?')){
    //关闭弹窗
    dialogVisible.value = false;
    //并且清空表单数据
    saveUserForm.value = {};
  }
}

//定义对象用来保存用户搜索条件
const searchUserForm = ref({username:"",status:""});
//定义数组对象用来保存请求回来的用户数据
const userArr = ref([]);
//定义加载用户数据的方法
const loadUser = () => {
  let data = qs.stringify(searchUserForm.value);
  console.log(data);
  axios.get(BASE_URL+'/v1/user/select?'+data).then((response)=>{
    if (response.data.code==2000){
      userArr.value = response.data.data;
      console.log(userArr.value);
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}
/* 页面一加载完毕，立即执行的方法 */
onMounted(()=>{
  loadUser();
})
//定义一个重置搜索的方法
const resetSearch = () => {
  //清空搜索条件并重新加载所有用户数据
  searchUserForm.value = {};
  loadUser();
}
//定义重置密码的方法   Restful风格:斜杠“/”拼接
const resetPassword = (userId) => {
  axios.post(BASE_URL+'/v1/user/update/password/'+userId)
      .then((response)=>{
        if (response.data.code==2000){
          ElMessage.success('密码重置成功!');
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义编辑员工的方法
const editUser = (id) => {
  //让弹窗出现，并且修改弹窗的标题
  dialogVisible.value = true;
  dialogTitle.value = "编辑用户";
  //根据用户id查询当前待编辑的用户数据
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
    if (response.data.code==2000) {
      //将查询到的用户数据赋值给表单对象
      saveUserForm.value = response.data.data[0];
      //拿到当前用户选择的职级
      let level = parseInt(saveUserForm.value.level)+10;
      //给后端发送请求，获取直属领导数据
      axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
        if (response.data.code==2000){
          leaderOptions.value = response.data.data;
        }else {
          ElMessage.error(response.data.msg);
        }
      })
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}

//定义修改员工状态的方法
const changeStatus = (userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then((response)=>{
        if(response.data.code==2000){
          ElMessage.success('修改成功!');
        }else{
          ElMessage.error(response.data.msg);
        }
      })
}

//创建删除员工的方法
const deleteUser = (userId)=>{
  if(confirm('确认要删除该员工吗?')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId).then((response)=>{
      if(response.data.code==2000){
        ElMessage.success('删除成功!');
        //重新加载用户数据
        loadUser();
      }else{
        ElMessage.error(response.data.msg);
      }
    })
  }
}
</script>

<style scoped>

</style>